Abstract
A system for the analysis and synthesis speech is described. In the analyzer, speech sounds are first classified into nonturbulent and turbulent groups. The first three formants of the former group and the first three moments of the latter group constitute six significant parameters of speech spectra. By measuring the zero-crossing densities and/or envelopes of automatically selected frequency bands, these parameters or their equivalents are extracted. To test the feasibility of using these parameters in a speech compression system, a synthesis procedure is carried out. The synthesized speech and its spectrograms are demonstrated. [The research in this paper has been made possible through support and sponsorship extended by the Electronics Research Directorate of the Air Force Cambridge Research Center, under Contract No. AF 19(604)-1039, Item I.]
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